<template>
	<div class="login">
		<el-image style="position: absolute;left: 20px;top:20px;width: 150px; height: auto" :src="dzh" ></el-image>

		<el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
			<div class="title">东之恒项目管理系统</div>
			<el-form-item prop="username">
				<el-input style="width: 350px;margin-left: 50px;" v-model="loginForm.username" type="text" size="large" auto-complete="off" placeholder="账号">
					<template #prefix><svg-icon icon-class="user" class="el-input__icon input-icon" /></template>
				</el-input>
			</el-form-item>
			<el-form-item prop="password">
				<el-input style="width: 350px;margin-left: 50px;" v-model="loginForm.password" type="password" size="large" auto-complete="off" placeholder="密码" @keyup.enter="handleLogin">
					<template #prefix><svg-icon icon-class="password" class="el-input__icon input-icon" /></template>
				</el-input>
			</el-form-item>
			<el-form-item prop="code" v-if="captchaEnabled">
				<el-input v-model="loginForm.code" size="large" auto-complete="off" placeholder="验证码" style="width: 230px;margin-left: 50px;" @keyup.enter="handleLogin">
					<template #prefix><svg-icon icon-class="validCode" class="el-input__icon input-icon" /></template>
				</el-input>
				<div class="login-code">
					<img :src="codeUrl" @click="getCode" class="login-code-img" />
				</div>
			</el-form-item>
			<el-form-item style="width: 100%">
				<el-button :loading="loading" size="large" type="primary" style="width: 350px;margin-left: 50px;background: rgba(63, 167, 212, 1);border-color: rgba(63, 167, 212, 1);;" @click.prevent="handleLogin">
					<span v-if="!loading">登 录</span>
					<span v-else>登 录 中...</span>
				</el-button>
			</el-form-item>
		</el-form>
	</div>
</template>

<script setup>
import { getCodeImg } from '@/api/login'
import Cookies from 'js-cookie'
import { encrypt, decrypt } from '@/utils/jsencrypt'
import useUserStore from '@/store/modules/user'
import dzh from '@/assets/images/login-log.png'
const userStore = useUserStore()
const router = useRouter()
const { proxy } = getCurrentInstance()

const loginForm = ref({
	username: '',
	password: '',
	code: '',
	uuid: ''
})

const loginRules = {
	username: [{ required: true, trigger: 'blur', message: '请输入您的账号' }],
	password: [{ required: true, trigger: 'blur', message: '请输入您的密码' }],
	code: [{ required: true, trigger: 'change', message: '请输入验证码' }]
}

const codeUrl = ref('')
const loading = ref(false)
// 验证码开关
const captchaEnabled = ref(true)
const redirect = ref(undefined)

function handleLogin() {
	proxy.$refs.loginRef.validate((valid) => {
		if (valid) {
			loading.value = true
			// 调用action的登录方法
			userStore
				.login(loginForm.value)
				.then(() => {
					router.push({ path: redirect.value || '/' })
				})
				.catch(() => {
					loading.value = false
					// 重新获取验证码
					if (captchaEnabled.value) {
						getCode()
					}
				})
		}
	})
}

function getCode() {
	getCodeImg().then((res) => {
		captchaEnabled.value = res.data.captchaEnabled === undefined ? true : res.data.captchaEnabled
		if (captchaEnabled.value) {
			codeUrl.value = 'data:image/gif;base64,' + res.data.img
			loginForm.value.uuid = res.data.uuid
		}
	})
}

function getCookie() {
	const username = Cookies.get('username')
	const password = Cookies.get('password')
	const rememberMe = Cookies.get('rememberMe')
	loginForm.value = {
		username: username === undefined ? loginForm.value.username : username,
		password: password === undefined ? loginForm.value.password : decrypt(password),
		rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
	}
}

getCode()
getCookie()
</script>

<style lang="scss" scoped>
.login {
	display: flex;
	justify-content: center;
	align-items: center;
	height: 100%;
	background-image: url('../assets/images/login.png');
	background-size: 100% 100%;
}
.title {
	margin: 0px auto 20px auto;
	text-align: center;
	font-size: 24px;
	font-weight: 600;
	letter-spacing: 0px;
	line-height: 32px;
	color: rgba(0, 0, 0, 1);
}

.login-form {
	border-radius: 6px;
	width: 500px;
	padding: 25px 25px 5px 25px;
	position: relative;
	top:-100px;
	background-color: #fff;
	.el-input {
		height: 40px;
		input {
			height: 40px;
		}
	}
	.input-icon {
		height: 39px;
		width: 14px;
		margin-left: 0px;
	}
}
.login-tip {
	font-size: 13px;
	text-align: center;
	color: #bfbfbf;
}
.login-code {
	width: 33%;
	height: 40px;
	float: right;
	img {
		cursor: pointer;
		vertical-align: middle;
	}
}
.el-login-footer {
	height: 40px;
	line-height: 40px;
	position: fixed;
	bottom: 0;
	width: 100%;
	text-align: center;
	color: #fff;
	font-family: Arial;
	font-size: 12px;
	letter-spacing: 1px;
}
.login-code-img {
	height: 40px;
	padding-left: 12px;
}
</style>
